Yesterday I wrote about the underlying philosophy of spam filtering and how different places have different philosophies that drive their filtering decisions. That post was actually triggered by a blog post I read where the author was asking why Gmail was using the PBL but instead of rejecting mail from PBL listed hosts they instead accepted and bulkfoldered the mail. The blog post ends with a...
One of the most common things I hear is “but why does the ISP do it that way?” The generic answer for that question is: because it works for them and meets their needs. Anyone designing a mail system has to implement some sort of spam filtering and will have to accept the potential for lost mail. Even the those recipients who runs no software filtering may lose mail. Their spamfilter...
Gmail recently changed some of the rendering of emails on their website, breaking a lot of email layouts in the process.
Numerous places have published workarounds including
The Email Guide and Return Path.
Brad Taylor has a post on the official Gmail blog talking about the new unsubscribe option. There are two points I didn’t cover here yesterday. you’ll only see the unsubscribe option for senders that we’re pretty sure are not spammers and will actually honor your unsubscribe request. We’re being pretty conservative about which senders to trust in the beginning; over time...
This morning Lifehacker reported that Gmail was offering an option to unsubscribe from some legitimate email lists. Gmail’s help pages say: We don’t think you should be burdened with managing messages you don’t want to receive. We do our best to put messages in Spam when we’re pretty sure you won’t want or need them. But everyone has different preferences about the...
Some people have been reporting problems with mail to gmail backing up. Steve has some information about the problem. I’m seeing comments in a few places that some gmail MXes (but not all) are tempfailing some pipelined SMTP transactions, which is causing mail being sent there by some smarthosts to back up. I don’t have details, but if you’re seeing “451 4.5.0 SMTP...
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